import java.util.Scanner;
public class Example7_6 {
    public static void main(String args[]) {
        int [] score = {-120,98,89,120,99};
	int sum = 0;
	for(int number:score) {
	    assert number>=0:"负数不能是成绩";
    	    sum = sum+number;
	}
	System.out.println("总成绩:"+sum);
    }
}
